40725696340 has 144 divisors (see below), whose sum is σ = 102983215104. Its totient is φ = 13474944000.

The previous prime is 40725696337. The next prime is 40725696391. The reversal of 40725696340 is 4369652704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12180709 + ... + 12184051.

It is an arithmetic number, because the mean of its divisors is an integer number (715161216).

Almost surely, 2^40725696340 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 40725696340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51491607552).

40725696340 is an abundant number, since it is smaller than the sum of its proper divisors (62257518764).

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

40725696340 is a wasteful number, since it uses less digits than its factorization.

40725696340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 40725696340 in words is "forty billion, seven hundred twenty-five million, six hundred ninety-six thousand, three hundred forty".