40757000731457 has 4 divisors (see below), whose sum is σ = 40934978900820. Its totient is φ = 40579022562096.

The previous prime is 40757000731429. The next prime is 40757000731519. The reversal of 40757000731457 is 75413700075704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30365345746576 + 10391654984881 = 5510476^2 + 3223609^2 .

It is a cyclic number.

It is not a de Polignac number, because 40757000731457 - 2¹⁶ = 40757000665921 is a prime.

It is a super-2 number, since 2×40757000731457² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40757000731417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88989084338 + ... + 88989084795.

It is an arithmetic number, because the mean of its divisors is an integer number (10233744725205).

Almost surely, 2^{40757000731457} is an apocalyptic number.

It is an amenable number.

40757000731457 is a deficient number, since it is larger than the sum of its proper divisors (177978169363).

40757000731457 is a wasteful number, since it uses less digits than its factorization.

40757000731457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177978169362.

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 40757000731457 in words is "forty trillion, seven hundred fifty-seven billion, seven hundred thirty-one thousand, four hundred fifty-seven".