40755515056507 has 4 divisors (see below), whose sum is σ = 40755896837136. Its totient is φ = 40755133275880.

The previous prime is 40755515056411. The next prime is 40755515056537. The reversal of 40755515056507 is 70565051555704.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40755515056507 - 2⁴³ = 31959422034299 is a prime.

It is a super-2 number, since 2×40755515056507² (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 (40755515056537) 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, 190730143 + ... + 190943704.

It is an arithmetic number, because the mean of its divisors is an integer number (10188974209284).

Almost surely, 2^{40755515056507} is an apocalyptic number.

40755515056507 is a deficient number, since it is larger than the sum of its proper divisors (381780629).

40755515056507 is a wasteful number, since it uses less digits than its factorization.

40755515056507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381780628.

The product of its (nonzero) digits is 18375000, while the sum is 55.

The spelling of 40755515056507 in words is "forty trillion, seven hundred fifty-five billion, five hundred fifteen million, fifty-six thousand, five hundred seven".