40755516 has 24 divisors (see below), whose sum is σ = 96891984. Its totient is φ = 13328640.

The previous prime is 40755509. The next prime is 40755521. The reversal of 40755516 is 61555704.

40755516 = 2124² + 2125² + ... + 2132².

It is a super-2 number, since 2×40755516² = 3322024168852512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31405 + ... + 32676.

It is an arithmetic number, because the mean of its divisors is an integer number (4037166).

Almost surely, 2^40755516 is an apocalyptic number.

It is an amenable number.

40755516 is an abundant number, since it is smaller than the sum of its proper divisors (56136468).

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

40755516 is a wasteful number, since it uses less digits than its factorization.

40755516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64141 (or 64139 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 40755516 is about 6384.0046992464. The cubic root of 40755516 is about 344.1349637176.

It can be divided in two parts, 4075 and 5516, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 40755516 in words is "forty million, seven hundred fifty-five thousand, five hundred sixteen".