40626522 has 80 divisors (see below), whose sum is σ = 97748640. Its totient is φ = 12573792.

The previous prime is 40626499. The next prime is 40626527. The reversal of 40626522 is 22562604.

40626522 is a `hidden beast` number, since 4 + 0 + 6 + 2 + 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 (40626527) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 206128 + ... + 206324.

It is an arithmetic number, because the mean of its divisors is an integer number (1221858).

Almost surely, 2^40626522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40626522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48874320).

40626522 is an abundant number, since it is smaller than the sum of its proper divisors (57122118).

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

40626522 is a wasteful number, since it uses less digits than its factorization.

40626522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40626522 is about 6373.8937863758. The cubic root of 40626522 is about 343.7715097504.

The spelling of 40626522 in words is "forty million, six hundred twenty-six thousand, five hundred twenty-two".