1540953402 has 16 divisors (see below), whose sum is σ = 3215903040. Its totient is φ = 491318432.

The previous prime is 1540953397. The next prime is 1540953413. The reversal of 1540953402 is 2043590451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5583027 + ... + 5583302.

It is an arithmetic number, because the mean of its divisors is an integer number (200993940).

Almost surely, 2^1540953402 is an apocalyptic number.

1540953402 is an abundant number, since it is smaller than the sum of its proper divisors (1674949638).

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

1540953402 is a wasteful number, since it uses less digits than its factorization.

1540953402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166357.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1540953402 is about 39254.9793274688. The cubic root of 1540953402 is about 1155.0386104294.

The spelling of 1540953402 in words is "one billion, five hundred forty million, nine hundred fifty-three thousand, four hundred two".