540644152 has 8 divisors (see below), whose sum is σ = 1013707800. Its totient is φ = 270322072.

The previous prime is 540644119. The next prime is 540644161. The reversal of 540644152 is 251446045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33790252 + ... + 33790267.

It is an arithmetic number, because the mean of its divisors is an integer number (126713475).

Almost surely, 2^540644152 is an apocalyptic number.

It is an amenable number.

540644152 is a deficient number, since it is larger than the sum of its proper divisors (473063648).

540644152 is a wasteful number, since it uses less digits than its factorization.

540644152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67580525 (or 67580521 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 540644152 is about 23251.7558906849. The cubic root of 540644152 is about 814.6489521546.

The spelling of 540644152 in words is "five hundred forty million, six hundred forty-four thousand, one hundred fifty-two".