42402990933 has 6 divisors (see below), whose sum is σ = 61248764694. Its totient is φ = 28268660616.

The previous prime is 42402990857. The next prime is 42402990943. The reversal of 42402990933 is 33909920424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29907551844 + 12495439089 = 172938^2 + 111783^2 .

It is not a de Polignac number, because 42402990933 - 2¹² = 42402986837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402990943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2355721710 + ... + 2355721727.

It is an arithmetic number, because the mean of its divisors is an integer number (10208127449).

Almost surely, 2^42402990933 is an apocalyptic number.

It is an amenable number.

42402990933 is a deficient number, since it is larger than the sum of its proper divisors (18845773761).

42402990933 is a wasteful number, since it uses less digits than its factorization.

42402990933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711443443 (or 4711443440 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 42402990933 in words is "forty-two billion, four hundred two million, nine hundred ninety thousand, nine hundred thirty-three".