40897001290 has 32 divisors (see below), whose sum is σ = 74396805840. Its totient is φ = 16185083904.

The previous prime is 40897001287. The next prime is 40897001329. The reversal of 40897001290 is 9210079804.

40897001290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12460587129 + 28436414161 = 111627^2 + 168631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5246716 + ... + 5254504.

Almost surely, 2^40897001290 is an apocalyptic number.

40897001290 is a deficient number, since it is larger than the sum of its proper divisors (33499804550).

40897001290 is a wasteful number, since it uses less digits than its factorization.

40897001290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13306.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 40897001290 in words is "forty billion, eight hundred ninety-seven million, one thousand, two hundred ninety".