40008345290 has 16 divisors (see below), whose sum is σ = 72017347968. Its totient is φ = 16002821136.

The previous prime is 40008345287. The next prime is 40008345317. The reversal of 40008345290 is 9254380004.

40008345290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40008345290.

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, 474899 + ... + 552761.

It is an arithmetic number, because the mean of its divisors is an integer number (4501084248).

Almost surely, 2^40008345290 is an apocalyptic number.

40008345290 is a deficient number, since it is larger than the sum of its proper divisors (32009002678).

40008345290 is a wasteful number, since it uses less digits than its factorization.

40008345290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129253.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 40008345290 in words is "forty billion, eight million, three hundred forty-five thousand, two hundred ninety".