542153640 has 96 divisors (see below), whose sum is σ = 1892026080. Its totient is φ = 123919488.

The previous prime is 542153627. The next prime is 542153641. The reversal of 542153640 is 46351245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 542153598 and 542153607.

It is not an unprimeable number, because it can be changed into a prime (542153641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40222 + ... + 51981.

It is an arithmetic number, because the mean of its divisors is an integer number (19708605).

Almost surely, 2^542153640 is an apocalyptic number.

It is an amenable number.

542153640 is an abundant number, since it is smaller than the sum of its proper divisors (1349872440).

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

542153640 is a wasteful number, since it uses less digits than its factorization.

542153640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92231 (or 92220 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 542153640 is about 23284.1929213791. The cubic root of 542153640 is about 815.4064190480.

The spelling of 542153640 in words is "five hundred forty-two million, one hundred fifty-three thousand, six hundred forty".