42013302440 has 32 divisors (see below), whose sum is σ = 94650115680. Its totient is φ = 16783954752.

The previous prime is 42013302439. The next prime is 42013302467. The reversal of 42013302440 is 4420331024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635822 + ... + 698781.

It is an arithmetic number, because the mean of its divisors is an integer number (2957816115).

Almost surely, 2^42013302440 is an apocalyptic number.

42013302440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42013302440 is an abundant number, since it is smaller than the sum of its proper divisors (52636813240).

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

42013302440 is a wasteful number, since it uses less digits than its factorization.

42013302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335401 (or 1335397 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42013302440 its reverse (4420331024), we get a palindrome (46433633464).

The spelling of 42013302440 in words is "forty-two billion, thirteen million, three hundred two thousand, four hundred forty".