40444399613562 has 16 divisors (see below), whose sum is σ = 92444341973952. Its totient is φ = 11555542746720.

The previous prime is 40444399613561. The next prime is 40444399613573. The reversal of 40444399613562 is 26531699344404.

It is a junction number, because it is equal to n+sod(n) for n = 40444399613496 and 40444399613505.

It is not an unprimeable number, because it can be changed into a prime (40444399613561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481480947739 + ... + 481480947822.

It is an arithmetic number, because the mean of its divisors is an integer number (5777771373372).

Almost surely, 2^{40444399613562} is an apocalyptic number.

40444399613562 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40444399613562 is an abundant number, since it is smaller than the sum of its proper divisors (51999942360390).

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

40444399613562 is a wasteful number, since it uses less digits than its factorization.

40444399613562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962961895573.

The product of its (nonzero) digits is 67184640, while the sum is 60.

The spelling of 40444399613562 in words is "forty trillion, four hundred forty-four billion, three hundred ninety-nine million, six hundred thirteen thousand, five hundred sixty-two".