40225100554644 has 48 divisors (see below), whose sum is σ = 94054697146368. Its totient is φ = 13380350391648.

The previous prime is 40225100554559. The next prime is 40225100554649. The reversal of 40225100554644 is 44645500152204.

It is a junction number, because it is equal to n+sod(n) for n = 40225100554596 and 40225100554605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40225100554649) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 185070217 + ... + 185287439.

It is an arithmetic number, because the mean of its divisors is an integer number (1959472857216).

Almost surely, 2^{40225100554644} is an apocalyptic number.

It is an amenable number.

40225100554644 is an abundant number, since it is smaller than the sum of its proper divisors (53829596591724).

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

40225100554644 is a wasteful number, since it uses less digits than its factorization.

40225100554644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249404 (or 249402 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 40225100554644 in words is "forty trillion, two hundred twenty-five billion, one hundred million, five hundred fifty-four thousand, six hundred forty-four".