42488040 has 64 divisors (see below), whose sum is σ = 145676160. Its totient is φ = 9711360.

The previous prime is 42488029. The next prime is 42488041. The reversal of 42488040 is 4088424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42487989 and 42488007.

It is not an unprimeable number, because it can be changed into a prime (42488041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24451 + ... + 26130.

It is an arithmetic number, because the mean of its divisors is an integer number (2276190).

Almost surely, 2^42488040 is an apocalyptic number.

42488040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42488040 is an abundant number, since it is smaller than the sum of its proper divisors (103188120).

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

42488040 is a wasteful number, since it uses less digits than its factorization.

42488040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50602 (or 50598 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 42488040 is about 6518.2850505328. The cubic root of 42488040 is about 348.9438639004.

The spelling of 42488040 in words is "forty-two million, four hundred eighty-eight thousand, forty".