42390167500 has 30 divisors (see below), whose sum is σ = 92698823756. Its totient is φ = 16956066000.

The previous prime is 42390167473. The next prime is 42390167509. The reversal of 42390167500 is 576109324.

It is a self number, because there is not a number n which added to its sum of digits gives 42390167500.

It is not an unprimeable number, because it can be changed into a prime (42390167509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8475534 + ... + 8480533.

Almost surely, 2^42390167500 is an apocalyptic number.

It is an amenable number.

42390167500 is an abundant number, since it is smaller than the sum of its proper divisors (50308656256).

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

42390167500 is a wasteful number, since it uses less digits than its factorization.

42390167500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16956091 (or 16956074 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

It can be divided in two parts, 423901 and 67500, that added together give a square (491401 = 701²).

The spelling of 42390167500 in words is "forty-two billion, three hundred ninety million, one hundred sixty-seven thousand, five hundred".