42113551040 has 112 divisors (see below), whose sum is σ = 110528246304. Its totient is φ = 15156019200.

The previous prime is 42113551037. The next prime is 42113551061. The reversal of 42113551040 is 4015531124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279770 + ... + 403110.

It is an arithmetic number, because the mean of its divisors is an integer number (986859342).

Almost surely, 2^42113551040 is an apocalyptic number.

42113551040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42113551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55264123152).

42113551040 is an abundant number, since it is smaller than the sum of its proper divisors (68414695264).

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

42113551040 is a wasteful number, since it uses less digits than its factorization.

42113551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123466 (or 123456 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 42113551040 in words is "forty-two billion, one hundred thirteen million, five hundred fifty-one thousand, forty".