155426040 has 480 divisors, whose sum is σ = 670388400. Its totient is φ = 31933440.

The previous prime is 155426021. The next prime is 155426069. The reversal of 155426040 is 40624551.

155426040 is a `hidden beast` number, since 1 + 5 + 54 + 2 + 604 + 0 = 666.

155426040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 155425995 and 155426013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1746316 + ... + 1746404.

Almost surely, 2^155426040 is an apocalyptic number.

155426040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155426040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335194200).

155426040 is an abundant number, since it is smaller than the sum of its proper divisors (514962360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155426040 is a wasteful number, since it uses less digits than its factorization.

155426040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155426040 is about 12466.9980348117. The cubic root of 155426040 is about 537.6602471543.

The spelling of 155426040 in words is "one hundred fifty-five million, four hundred twenty-six thousand, forty".