40454522120 has 64 divisors (see below), whose sum is σ = 93263037120. Its totient is φ = 15784521984.

The previous prime is 40454522089. The next prime is 40454522149. The reversal of 40454522120 is 2122545404.

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, 1314347 + ... + 1344773.

It is an arithmetic number, because the mean of its divisors is an integer number (1457234955).

Almost surely, 2^40454522120 is an apocalyptic number.

40454522120 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 40454522120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46631518560).

40454522120 is an abundant number, since it is smaller than the sum of its proper divisors (52808515000).

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

40454522120 is a wasteful number, since it uses less digits than its factorization.

40454522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31254 (or 31250 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 40454522120 in words is "forty billion, four hundred fifty-four million, five hundred twenty-two thousand, one hundred twenty".