42102032394 has 32 divisors (see below), whose sum is σ = 84602568960. Its totient is φ = 13967647232.

The previous prime is 42102032393. The next prime is 42102032501. The reversal of 42102032394 is 49323020124.

It is a super-2 number, since 2×42102032394² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42102032393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086802 + ... + 4097090.

It is an arithmetic number, because the mean of its divisors is an integer number (2643830280).

Almost surely, 2^42102032394 is an apocalyptic number.

42102032394 is an abundant number, since it is smaller than the sum of its proper divisors (42500536566).

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

42102032394 is a wasteful number, since it uses less digits than its factorization.

42102032394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 42102032394 in words is "forty-two billion, one hundred two million, thirty-two thousand, three hundred ninety-four".