40005013455 has 96 divisors (see below), whose sum is σ = 80978946048. Its totient is φ = 18770486400.

The previous prime is 40005013439. The next prime is 40005013469. The reversal of 40005013455 is 55431050004.

It is not a de Polignac number, because 40005013455 - 2⁴ = 40005013439 is a prime.

It is a super-2 number, since 2×40005013455² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 366037 + ... + 462593.

It is an arithmetic number, because the mean of its divisors is an integer number (843530688).

Almost surely, 2^40005013455 is an apocalyptic number.

40005013455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40005013455 is an abundant number, since it is smaller than the sum of its proper divisors (40973932593).

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

40005013455 is a wasteful number, since it uses less digits than its factorization.

40005013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96619 (or 96607 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 40005013455 its reverse (55431050004), we get a palindrome (95436063459).

The spelling of 40005013455 in words is "forty billion, five million, thirteen thousand, four hundred fifty-five".