1472356440 has 96 divisors (see below), whose sum is σ = 4962419280. Its totient is φ = 392625792.

The previous prime is 1472356433. The next prime is 1472356441. The reversal of 1472356440 is 446532741.

1472356440 is a `hidden beast` number, since 1 + 4 + 7 + 2 + 3 + 5 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1472356395 and 1472356404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472356441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66019 + ... + 85458.

Almost surely, 2^1472356440 is an apocalyptic number.

1472356440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1472356440 is an abundant number, since it is smaller than the sum of its proper divisors (3490062840).

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

1472356440 is a wasteful number, since it uses less digits than its factorization.

1472356440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151503 (or 151487 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 1472356440 is about 38371.2970851912. The cubic root of 1472356440 is about 1137.6386022793.

The spelling of 1472356440 in words is "one billion, four hundred seventy-two million, three hundred fifty-six thousand, four hundred forty".