40309477470 has 40 divisors (see below), whose sum is σ = 108387708264. Its totient is φ = 10749193776.

The previous prime is 40309477441. The next prime is 40309477477. The reversal of 40309477470 is 7477490304.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40309477477) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24881584 + ... + 24883203.

Almost surely, 2^40309477470 is an apocalyptic number.

40309477470 is an abundant number, since it is smaller than the sum of its proper divisors (68078230794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40309477470 is a wasteful number, since it uses less digits than its factorization.

40309477470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764806 (or 49764797 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 40309477470 in words is "forty billion, three hundred nine million, four hundred seventy-seven thousand, four hundred seventy".