42790689810 has 96 divisors (see below), whose sum is σ = 124650332352. Its totient is φ = 10093127040.

The previous prime is 42790689791. The next prime is 42790689829. The reversal of 42790689810 is 1898609724.

It is an interprime number because it is at equal distance from previous prime (42790689791) and next prime (42790689829).

It is a super-2 number, since 2×42790689810² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547464 + ... + 620723.

It is an arithmetic number, because the mean of its divisors is an integer number (1298440962).

Almost surely, 2^42790689810 is an apocalyptic number.

42790689810 is an abundant number, since it is smaller than the sum of its proper divisors (81859642542).

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

42790689810 is a wasteful number, since it uses less digits than its factorization.

42790689810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168248 (or 1168245 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 42790689810 in words is "forty-two billion, seven hundred ninety million, six hundred eighty-nine thousand, eight hundred ten".