42011582452 has 96 divisors (see below), whose sum is σ = 90260352000. Its totient is φ = 16700290560.

The previous prime is 42011582413. The next prime is 42011582471. The reversal of 42011582452 is 25428511024.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19713427 + ... + 19715557.

It is an arithmetic number, because the mean of its divisors is an integer number (940212000).

Almost surely, 2^42011582452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42011582452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45130176000).

42011582452 is an abundant number, since it is smaller than the sum of its proper divisors (48248769548).

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

42011582452 is a wasteful number, since it uses less digits than its factorization.

42011582452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The spelling of 42011582452 in words is "forty-two billion, eleven million, five hundred eighty-two thousand, four hundred fifty-two".