1540473072 has 20 divisors (see below), whose sum is σ = 3979555560. Its totient is φ = 513491008.

The previous prime is 1540473041. The next prime is 1540473091. The reversal of 1540473072 is 2703740451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16046547 + ... + 16046642.

It is an arithmetic number, because the mean of its divisors is an integer number (198977778).

Almost surely, 2^1540473072 is an apocalyptic number.

1540473072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1540473072 is an abundant number, since it is smaller than the sum of its proper divisors (2439082488).

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

1540473072 is a wasteful number, since it uses less digits than its factorization.

1540473072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32093200 (or 32093194 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1540473072 is about 39248.8607732760. The cubic root of 1540473072 is about 1154.9185857420.

The spelling of 1540473072 in words is "one billion, five hundred forty million, four hundred seventy-three thousand, seventy-two".