40396526901 has 32 divisors (see below), whose sum is σ = 61911843840. Its totient is φ = 26005492800.

The previous prime is 40396526899. The next prime is 40396526921. The reversal of 40396526901 is 10962569304.

40396526901 is a `hidden beast` number, since 4 + 0 + 39 + 6 + 526 + 90 + 1 = 666.

40396526901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40396526901 - 2¹ = 40396526899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40396526921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333511 + ... + 438203.

It is an arithmetic number, because the mean of its divisors is an integer number (1934745120).

Almost surely, 2^40396526901 is an apocalyptic number.

It is an amenable number.

40396526901 is a deficient number, since it is larger than the sum of its proper divisors (21515316939).

40396526901 is a wasteful number, since it uses less digits than its factorization.

40396526901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105194 (or 105188 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 40396526901 in words is "forty billion, three hundred ninety-six million, five hundred twenty-six thousand, nine hundred one".