40742855472 has 160 divisors (see below), whose sum is σ = 118123582464. Its totient is φ = 11992320000.

The previous prime is 40742855471. The next prime is 40742855473. The reversal of 40742855472 is 27455824704.

40742855472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40742855471) and next prime (40742855473).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40742855471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14670148 + ... + 14672924.

Almost surely, 2^40742855472 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 40742855472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59061791232).

40742855472 is an abundant number, since it is smaller than the sum of its proper divisors (77380726992).

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

40742855472 is a wasteful number, since it uses less digits than its factorization.

40742855472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 40742855472 in words is "forty billion, seven hundred forty-two million, eight hundred fifty-five thousand, four hundred seventy-two".