40447072370 has 32 divisors (see below), whose sum is σ = 76901045760. Its totient is φ = 15292811520.

The previous prime is 40447072331. The next prime is 40447072381. The reversal of 40447072370 is 7327074404.

It is a happy number.

40447072370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1503815 + ... + 1530474.

It is an arithmetic number, because the mean of its divisors is an integer number (2403157680).

Almost surely, 2^40447072370 is an apocalyptic number.

40447072370 is a deficient number, since it is larger than the sum of its proper divisors (36453973390).

40447072370 is a wasteful number, since it uses less digits than its factorization.

40447072370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034370.

The product of its (nonzero) digits is 131712, while the sum is 38.

The spelling of 40447072370 in words is "forty billion, four hundred forty-seven million, seventy-two thousand, three hundred seventy".