542550040 has 16 divisors (see below), whose sum is σ = 1220737680. Its totient is φ = 217020000.

The previous prime is 542550031. The next prime is 542550061. The reversal of 542550040 is 40055245.

It is a junction number, because it is equal to n+sod(n) for n = 542549987 and 542550014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6781836 + ... + 6781915.

It is an arithmetic number, because the mean of its divisors is an integer number (76296105).

Almost surely, 2^542550040 is an apocalyptic number.

It is an amenable number.

542550040 is an abundant number, since it is smaller than the sum of its proper divisors (678187640).

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

542550040 is a wasteful number, since it uses less digits than its factorization.

542550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563762 (or 13563758 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 542550040 is about 23292.7035785887. The cubic root of 542550040 is about 815.6051009566.

The spelling of 542550040 in words is "five hundred forty-two million, five hundred fifty thousand, forty".