40551224646 has 32 divisors (see below), whose sum is σ = 81293425920. Its totient is φ = 13485275424.

The previous prime is 40551224641. The next prime is 40551224657. The reversal of 40551224646 is 64642215504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551224641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11392215 + ... + 11395773.

It is an arithmetic number, because the mean of its divisors is an integer number (2540419560).

Almost surely, 2^40551224646 is an apocalyptic number.

40551224646 is an abundant number, since it is smaller than the sum of its proper divisors (40742201274).

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

40551224646 is a wasteful number, since it uses less digits than its factorization.

40551224646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 40551224646 in words is "forty billion, five hundred fifty-one million, two hundred twenty-four thousand, six hundred forty-six".