40758552 has 80 divisors (see below), whose sum is σ = 117902400. Its totient is φ = 13141440.

The previous prime is 40758533. The next prime is 40758559. The reversal of 40758552 is 25585704.

It is a happy number.

It is a super-2 number, since 2×40758552² = 3322519122273408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40758559) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19074 + ... + 21102.

It is an arithmetic number, because the mean of its divisors is an integer number (1473780).

Almost surely, 2^40758552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40758552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58951200).

40758552 is an abundant number, since it is smaller than the sum of its proper divisors (77143848).

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

40758552 is a wasteful number, since it uses less digits than its factorization.

40758552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 40758552 is about 6384.2424765981. The cubic root of 40758552 is about 344.1435087188.

The spelling of 40758552 in words is "forty million, seven hundred fifty-eight thousand, five hundred fifty-two".