542355744240 has 120 divisors (see below), whose sum is σ = 1860164923968. Its totient is φ = 141550993920.

The previous prime is 542355744233. The next prime is 542355744247. The reversal of 542355744240 is 42447553245.

542355744240 is a `hidden beast` number, since 5 + 4 + 2 + 35 + 574 + 4 + 2 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (542355744233) and next prime (542355744247).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542355744247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7979691 + ... + 8047370.

Almost surely, 2^542355744240 is an apocalyptic number.

It is an amenable number.

542355744240 is an abundant number, since it is smaller than the sum of its proper divisors (1317809179728).

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

542355744240 is a wasteful number, since it uses less digits than its factorization.

542355744240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027127 (or 16027118 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 45.

The spelling of 542355744240 in words is "five hundred forty-two billion, three hundred fifty-five million, seven hundred forty-four thousand, two hundred forty".