540149402 has 16 divisors (see below), whose sum is σ = 892842720. Its totient is φ = 243501552.

The previous prime is 540149387. The next prime is 540149437. The reversal of 540149402 is 204941045.

It is a super-2 number, since 2×540149402² = 583522752961915208, which contains 22 as substring.

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, 240452 + ... + 242687.

It is an arithmetic number, because the mean of its divisors is an integer number (55802670).

Almost surely, 2^540149402 is an apocalyptic number.

540149402 is a deficient number, since it is larger than the sum of its proper divisors (352693318).

540149402 is a wasteful number, since it uses less digits than its factorization.

540149402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483197.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 540149402 is about 23241.1144741383. The cubic root of 540149402 is about 814.4003779463.

The spelling of 540149402 in words is "five hundred forty million, one hundred forty-nine thousand, four hundred two".