40122465047440 has 80 divisors (see below), whose sum is σ = 93849709752000. Its totient is φ = 15951836366336.

The previous prime is 40122465047429. The next prime is 40122465047479. The reversal of 40122465047440 is 4474056422104.

It is a tau number, because it is divible by the number of its divisors (80).

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, 50244411 + ... + 51036709.

It is an arithmetic number, because the mean of its divisors is an integer number (1173121371900).

Almost surely, 2^{40122465047440} is an apocalyptic number.

40122465047440 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 40122465047440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46924854876000).

40122465047440 is an abundant number, since it is smaller than the sum of its proper divisors (53727244704560).

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

40122465047440 is a wasteful number, since it uses less digits than its factorization.

40122465047440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796144 (or 796138 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 40122465047440 in words is "forty trillion, one hundred twenty-two billion, four hundred sixty-five million, forty-seven thousand, four hundred forty".