40356522 has 16 divisors (see below), whose sum is σ = 89681280. Its totient is φ = 13452156.

The previous prime is 40356461. The next prime is 40356523. The reversal of 40356522 is 22565304.

40356522 is a `hidden beast` number, since 4 + 0 + 3 + 5 + 652 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40356523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373618 + ... + 373725.

It is an arithmetic number, because the mean of its divisors is an integer number (5605080).

Almost surely, 2^40356522 is an apocalyptic number.

40356522 is an abundant number, since it is smaller than the sum of its proper divisors (49324758).

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

40356522 is a wasteful number, since it uses less digits than its factorization.

40356522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747354 (or 747348 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40356522 is about 6352.6783327979. The cubic root of 40356522 is about 343.0082588315.

The spelling of 40356522 in words is "forty million, three hundred fifty-six thousand, five hundred twenty-two".