40744020501 has 6 divisors (see below), whose sum is σ = 58852474070. Its totient is φ = 27162680328.

The previous prime is 40744020419. The next prime is 40744020511. The reversal of 40744020501 is 10502044704.

It can be written as a sum of positive squares in only one way, i.e., 20982971025 + 19761049476 = 144855^2 + 140574^2 .

It is not a de Polignac number, because 40744020501 - 2¹⁸ = 40743758357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744020511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263556686 + ... + 2263556703.

Almost surely, 2^40744020501 is an apocalyptic number.

It is an amenable number.

40744020501 is a deficient number, since it is larger than the sum of its proper divisors (18108453569).

40744020501 is a wasteful number, since it uses less digits than its factorization.

40744020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527113395 (or 4527113392 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The spelling of 40744020501 in words is "forty billion, seven hundred forty-four million, twenty thousand, five hundred one".