40704929730 has 128 divisors (see below), whose sum is σ = 110633990400. Its totient is φ = 10646899200.

The previous prime is 40704929723. The next prime is 40704929767. The reversal of 40704929730 is 3792940704.

40704929730 is a `hidden beast` number, since 4 + 0 + 70 + 492 + 97 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6238870 + ... + 6245390.

It is an arithmetic number, because the mean of its divisors is an integer number (864328050).

Almost surely, 2^40704929730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40704929730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55316995200).

40704929730 is an abundant number, since it is smaller than the sum of its proper divisors (69929060670).

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

40704929730 is a wasteful number, since it uses less digits than its factorization.

40704929730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6971 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 40704929730 in words is "forty billion, seven hundred four million, nine hundred twenty-nine thousand, seven hundred thirty".