42464520 has 256 divisors, whose sum is σ = 166924800. Its totient is φ = 9400320.

The previous prime is 42464519. The next prime is 42464537. The reversal of 42464520 is 2546424.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 309892 + ... + 310028.

It is an arithmetic number, because the mean of its divisors is an integer number (652050).

Almost surely, 2^42464520 is an apocalyptic number.

42464520 is a gapful number since it is divisible by the number (40) 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 42464520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

42464520 is an abundant number, since it is smaller than the sum of its proper divisors (124460280).

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

42464520 is a wasteful number, since it uses less digits than its factorization.

42464520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 42464520 is about 6516.4806452563. The cubic root of 42464520 is about 348.8794640164.

The spelling of 42464520 in words is "forty-two million, four hundred sixty-four thousand, five hundred twenty".