40424033645051 has 4 divisors (see below), whose sum is σ = 46198895594352. Its totient is φ = 34649171695752.

The previous prime is 40424033645027. The next prime is 40424033645087. The reversal of 40424033645051 is 15054633042404.

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 40424033645051 - 2⁶ = 40424033644987 is a prime.

It is a super-2 number, since 2×40424033645051² (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 (40424033645251) 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, 2887430974640 + ... + 2887430974653.

It is an arithmetic number, because the mean of its divisors is an integer number (11549723898588).

Almost surely, 2^{40424033645051} is an apocalyptic number.

40424033645051 is a deficient number, since it is larger than the sum of its proper divisors (5774861949301).

40424033645051 is an equidigital number, since it uses as much as digits as its factorization.

40424033645051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774861949300.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 40424033645051 its reverse (15054633042404), we get a palindrome (55478666687455).

The spelling of 40424033645051 in words is "forty trillion, four hundred twenty-four billion, thirty-three million, six hundred forty-five thousand, fifty-one".