40534051322940 has 384 divisors, whose sum is σ = 140630371983360. Its totient is φ = 8515441363968.

The previous prime is 40534051322917. The next prime is 40534051322951. The reversal of 40534051322940 is 4922315043504.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 40534051322892 and 40534051322901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102257407 + ... + 102653033.

It is an arithmetic number, because the mean of its divisors is an integer number (366224927040).

Almost surely, 2^{40534051322940} 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 40534051322940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70315185991680).

40534051322940 is an abundant number, since it is smaller than the sum of its proper divisors (100096320660420).

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

40534051322940 is a wasteful number, since it uses less digits than its factorization.

40534051322940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396049 (or 396047 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 40534051322940 in words is "forty trillion, five hundred thirty-four billion, fifty-one million, three hundred twenty-two thousand, nine hundred forty".