42452784 has 60 divisors (see below), whose sum is σ = 129614472. Its totient is φ = 12864000.

The previous prime is 42452771. The next prime is 42452819. The reversal of 42452784 is 48725424.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11817 + ... + 14984.

Almost surely, 2^42452784 is an apocalyptic number.

42452784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42452784 is an abundant number, since it is smaller than the sum of its proper divisors (87161688).

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

42452784 is a wasteful number, since it uses less digits than its factorization.

42452784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26826 (or 26817 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 42452784 is about 6515.5800969676. The cubic root of 42452784 is about 348.8473208951.

The spelling of 42452784 in words is "forty-two million, four hundred fifty-two thousand, seven hundred eighty-four".