40720717040553 has 24 divisors (see below), whose sum is σ = 64169593883616. Its totient is φ = 24677831865600.

The previous prime is 40720717040513. The next prime is 40720717040569. The reversal of 40720717040553 is 35504071702704.

40720717040553 is a `hidden beast` number, since 4 + 0 + 7 + 20 + 7 + 1 + 70 + 4 + 0 + 553 = 666.

It is not a de Polignac number, because 40720717040553 - 2⁶ = 40720717040489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40720717040499 and 40720717040508.

It is not an unprimeable number, because it can be changed into a prime (40720717040503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9820975 + ... + 13337652.

It is an arithmetic number, because the mean of its divisors is an integer number (2673733078484).

Almost surely, 2^{40720717040553} is an apocalyptic number.

It is an amenable number.

40720717040553 is a deficient number, since it is larger than the sum of its proper divisors (23448876843063).

40720717040553 is a wasteful number, since it uses less digits than its factorization.

40720717040553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23176405 (or 23176402 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 40720717040553 in words is "forty trillion, seven hundred twenty billion, seven hundred seventeen million, forty thousand, five hundred fifty-three".