40009087388902 has 16 divisors (see below), whose sum is σ = 60329351227392. Its totient is φ = 19899308899080.

The previous prime is 40009087388891. The next prime is 40009087388917. The reversal of 40009087388902 is 20988378090004.

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, 14180863 + ... + 16766485.

It is an arithmetic number, because the mean of its divisors is an integer number (3770584451712).

Almost surely, 2^{40009087388902} is an apocalyptic number.

40009087388902 is a deficient number, since it is larger than the sum of its proper divisors (20320263838490).

40009087388902 is a wasteful number, since it uses less digits than its factorization.

40009087388902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626323.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 40009087388902 in words is "forty trillion, nine billion, eighty-seven million, three hundred eighty-eight thousand, nine hundred two".