542191213404 has 30 divisors (see below), whose sum is σ = 1417394932184. Its totient is φ = 180730404360.

The previous prime is 542191213363. The next prime is 542191213451. The reversal of 542191213404 is 404312191245.

542191213404 is a `hidden beast` number, since 5 + 42 + 191 + 21 + 3 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 836714512 + ... + 836715159.

Almost surely, 2^542191213404 is an apocalyptic number.

542191213404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

542191213404 is an abundant number, since it is smaller than the sum of its proper divisors (875203718780).

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

542191213404 is a wasteful number, since it uses less digits than its factorization.

542191213404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673429687 (or 1673429676 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 542191213404 in words is "five hundred forty-two billion, one hundred ninety-one million, two hundred thirteen thousand, four hundred four".