42653810 has 16 divisors (see below), whose sum is σ = 77570136. Its totient is φ = 16885248.

The previous prime is 42653801. The next prime is 42653813. The reversal of 42653810 is 1835624.

It can be written as a sum of positive squares in 4 ways, for example, as 32913169 + 9740641 = 5737^2 + 3121^2 .

It is a super-2 number, since 2×42653810² = 3638695015032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42653813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21017 + ... + 22956.

Almost surely, 2^42653810 is an apocalyptic number.

42653810 is a deficient number, since it is larger than the sum of its proper divisors (34916326).

42653810 is a wasteful number, since it uses less digits than its factorization.

42653810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44077.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 42653810 is about 6530.9884397387. The cubic root of 42653810 is about 349.3970844535.

The spelling of 42653810 in words is "forty-two million, six hundred fifty-three thousand, eight hundred ten".