542039904 has 384 divisors, whose sum is σ = 1959552000. Its totient is φ = 142331904.

The previous prime is 542039881. The next prime is 542039933. The reversal of 542039904 is 409930245.

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 63 ways as a sum of consecutive naturals, for example, 6090292 + ... + 6090380.

It is an arithmetic number, because the mean of its divisors is an integer number (5103000).

Almost surely, 2^542039904 is an apocalyptic number.

542039904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542039904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979776000).

542039904 is an abundant number, since it is smaller than the sum of its proper divisors (1417512096).

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

542039904 is a wasteful number, since it uses less digits than its factorization.

542039904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 542039904 is about 23281.7504496548. The cubic root of 542039904 is about 815.3493948986.

The spelling of 542039904 in words is "five hundred forty-two million, thirty-nine thousand, nine hundred four".