40402356023633 has 4 divisors (see below), whose sum is σ = 40402401281088. Its totient is φ = 40402310766180.

The previous prime is 40402356023629. The next prime is 40402356023641. The reversal of 40402356023633 is 33632065320404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40402356023633 - 2² = 40402356023629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40402352023633) 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, 21262133 + ... + 23084258.

It is an arithmetic number, because the mean of its divisors is an integer number (10100600320272).

Almost surely, 2^{40402356023633} is an apocalyptic number.

It is an amenable number.

40402356023633 is a deficient number, since it is larger than the sum of its proper divisors (45257455).

40402356023633 is an equidigital number, since it uses as much as digits as its factorization.

40402356023633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45257454.

The product of its (nonzero) digits is 933120, while the sum is 41.

The spelling of 40402356023633 in words is "forty trillion, four hundred two billion, three hundred fifty-six million, twenty-three thousand, six hundred thirty-three".