99442766944 has 24 divisors (see below), whose sum is σ = 199943438688. Its totient is φ = 48663480960.

The previous prime is 99442766911. The next prime is 99442766957. The reversal of 99442766944 is 44966724499.

99442766944 = T₂₅₇₄₇₇ + T₂₅₇₄₇₈ + T₂₅₇₄₇₉.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33057927 + ... + 33060934.

It is an arithmetic number, because the mean of its divisors is an integer number (8330976612).

Almost surely, 2^99442766944 is an apocalyptic number.

99442766944 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

99442766944 is the 257479-th centered triangular number.

It is an amenable number.

99442766944 is an abundant number, since it is smaller than the sum of its proper divisors (100500671744).

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

99442766944 is a wasteful number, since it uses less digits than its factorization.

99442766944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66118918 (or 66118910 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 64.

The spelling of 99442766944 in words is "ninety-nine billion, four hundred forty-two million, seven hundred sixty-six thousand, nine hundred forty-four".