40554465418426 has 4 divisors (see below), whose sum is σ = 60831698127642. Its totient is φ = 20277232709212.

The previous prime is 40554465418361. The next prime is 40554465418427. The reversal of 40554465418426 is 62481456445504.

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

It can be written as a sum of positive squares in only one way, i.e., 31319704152801 + 9234761265625 = 5596401^2 + 3038875^2 .

It is not an unprimeable number, because it can be changed into a prime (40554465418427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138616354605 + ... + 10138616354608.

Almost surely, 2^{40554465418426} is an apocalyptic number.

40554465418426 is a deficient number, since it is larger than the sum of its proper divisors (20277232709216).

40554465418426 is a wasteful number, since it uses less digits than its factorization.

40554465418426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277232709215.

The product of its (nonzero) digits is 73728000, while the sum is 58.

The spelling of 40554465418426 in words is "forty trillion, five hundred fifty-four billion, four hundred sixty-five million, four hundred eighteen thousand, four hundred twenty-six".