42541628 has 12 divisors (see below), whose sum is σ = 77684880. Its totient is φ = 20345952.

The previous prime is 42541619. The next prime is 42541643. The reversal of 42541628 is 82614524.

It is a super-2 number, since 2×42541628² = 3619580225780768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42541594 and 42541603.

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, 231113 + ... + 231296.

It is an arithmetic number, because the mean of its divisors is an integer number (6473740).

Almost surely, 2^42541628 is an apocalyptic number.

It is an amenable number.

42541628 is a deficient number, since it is larger than the sum of its proper divisors (35143252).

42541628 is a wasteful number, since it uses less digits than its factorization.

42541628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462436 (or 462434 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 42541628 is about 6522.3943456372. The cubic root of 42541628 is about 349.0905039732.

The spelling of 42541628 in words is "forty-two million, five hundred forty-one thousand, six hundred twenty-eight".