1440470372 has 12 divisors (see below), whose sum is σ = 2749988976. Its totient is φ = 654759240.

The previous prime is 1440470371. The next prime is 1440470377. The reversal of 1440470372 is 2730740441.

It is not an unprimeable number, because it can be changed into a prime (1440470371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16368938 + ... + 16369025.

It is an arithmetic number, because the mean of its divisors is an integer number (229165748).

Almost surely, 2^1440470372 is an apocalyptic number.

It is an amenable number.

1440470372 is a deficient number, since it is larger than the sum of its proper divisors (1309518604).

1440470372 is a wasteful number, since it uses less digits than its factorization.

1440470372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32737978 (or 32737976 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 1440470372 is about 37953.5291112697. The cubic root of 1440470372 is about 1129.3661759940.

The spelling of 1440470372 in words is "one billion, four hundred forty million, four hundred seventy thousand, three hundred seventy-two".