42103645464 has 32 divisors (see below), whose sum is σ = 105378643440. Its totient is φ = 14018611200.

The previous prime is 42103645411. The next prime is 42103645469. The reversal of 42103645464 is 46454630124.

It is a super-2 number, since 2×42103645464² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103645469) 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, 974497 + ... + 1016784.

Almost surely, 2^42103645464 is an apocalyptic number.

It is an amenable number.

42103645464 is an abundant number, since it is smaller than the sum of its proper divisors (63274997976).

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

42103645464 is a wasteful number, since it uses less digits than its factorization.

42103645464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992171 (or 1992167 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 42103645464 in words is "forty-two billion, one hundred three million, six hundred forty-five thousand, four hundred sixty-four".