1472747440 has 40 divisors (see below), whose sum is σ = 3431619648. Its totient is φ = 587811840.

The previous prime is 1472747407. The next prime is 1472747483. The reversal of 1472747440 is 447472741.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1472747393 and 1472747402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17160 + ... + 56920.

Almost surely, 2^1472747440 is an apocalyptic number.

1472747440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1472747440 is an abundant number, since it is smaller than the sum of its proper divisors (1958872208).

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

1472747440 is a wasteful number, since it uses less digits than its factorization.

1472747440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40237 (or 40231 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 40.

The square root of 1472747440 is about 38376.3917011488. The cubic root of 1472747440 is about 1137.7392973990.

The spelling of 1472747440 in words is "one billion, four hundred seventy-two million, seven hundred forty-seven thousand, four hundred forty".