40449002870 has 32 divisors (see below), whose sum is σ = 77384248128. Its totient is φ = 15169942528.

The previous prime is 40449002851. The next prime is 40449002897. The reversal of 40449002870 is 7820094404.

It is a super-2 number, since 2×40449002870² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 407639 + ... + 497058.

It is an arithmetic number, because the mean of its divisors is an integer number (2418257754).

Almost surely, 2^40449002870 is an apocalyptic number.

40449002870 is a deficient number, since it is larger than the sum of its proper divisors (36935245258).

40449002870 is a wasteful number, since it uses less digits than its factorization.

40449002870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904984.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 40449002870 in words is "forty billion, four hundred forty-nine million, two thousand, eight hundred seventy".