542152555440 has 40 divisors (see below), whose sum is σ = 1680672922608. Its totient is φ = 144574014720.

The previous prime is 542152555363. The next prime is 542152555459. The reversal of 542152555440 is 44555251245.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 542152555392 and 542152555401.

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, 1129484251 + ... + 1129484730.

Almost surely, 2^542152555440 is an apocalyptic number.

It is an amenable number.

542152555440 is an abundant number, since it is smaller than the sum of its proper divisors (1138520367168).

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

542152555440 is a wasteful number, since it uses less digits than its factorization.

542152555440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258968997 (or 2258968991 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 542152555440 in words is "five hundred forty-two billion, one hundred fifty-two million, five hundred fifty-five thousand, four hundred forty".