40724520957740 has 48 divisors (see below), whose sum is σ = 85952496530880. Its totient is φ = 16207807983360.

The previous prime is 40724520957721. The next prime is 40724520957749. The reversal of 40724520957740 is 4775902542704.

It is not an unprimeable number, because it can be changed into a prime (40724520957749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860105 + ... + 9815775.

It is an arithmetic number, because the mean of its divisors is an integer number (1790677011060).

Almost surely, 2^{40724520957740} is an apocalyptic number.

It is an amenable number.

40724520957740 is an abundant number, since it is smaller than the sum of its proper divisors (45227975573140).

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

40724520957740 is a wasteful number, since it uses less digits than its factorization.

40724520957740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957402 (or 5957400 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 40724520957740 in words is "forty trillion, seven hundred twenty-four billion, five hundred twenty million, nine hundred fifty-seven thousand, seven hundred forty".