40026637530 has 96 divisors (see below), whose sum is σ = 120208390848. Its totient is φ = 9132633600.

The previous prime is 40026637517. The next prime is 40026637537. The reversal of 40026637530 is 3573662004.

40026637530 is a `hidden beast` number, since 40 + 0 + 26 + 63 + 7 + 530 = 666.

It is not an unprimeable number, because it can be changed into a prime (40026637537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1172316 + ... + 1205975.

It is an arithmetic number, because the mean of its divisors is an integer number (1252170738).

Almost surely, 2^40026637530 is an apocalyptic number.

40026637530 is an abundant number, since it is smaller than the sum of its proper divisors (80181753318).

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

40026637530 is a wasteful number, since it uses less digits than its factorization.

40026637530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378332 (or 2378329 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 40026637530 in words is "forty billion, twenty-six million, six hundred thirty-seven thousand, five hundred thirty".