40451254250320 has 40 divisors (see below), whose sum is σ = 95182288631136. Its totient is φ = 15985555893888.

The previous prime is 40451254250291. The next prime is 40451254250353. The reversal of 40451254250320 is 2305245215404.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 40451254250320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046021542 + ... + 3046034821.

Almost surely, 2^{40451254250320} is an apocalyptic number.

40451254250320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40451254250320 is an abundant number, since it is smaller than the sum of its proper divisors (54731034380816).

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

40451254250320 is a wasteful number, since it uses less digits than its factorization.

40451254250320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092056459 (or 6092056453 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 40451254250320 its reverse (2305245215404), we get a palindrome (42756499465724).

The spelling of 40451254250320 in words is "forty trillion, four hundred fifty-one billion, two hundred fifty-four million, two hundred fifty thousand, three hundred twenty".