99954040 has 16 divisors (see below), whose sum is σ = 224896680. Its totient is φ = 39981600.

The previous prime is 99954011. The next prime is 99954047. The reversal of 99954040 is 4045999.

It is a super-2 number, since 2×99954040² = 19981620224643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2498851 = 99954040 / (9 + 9 + 9 + 5 + 4 + 0 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 99953984 and 99954002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99954047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249386 + ... + 1249465.

Almost surely, 2^99954040 is an apocalyptic number.

It is an amenable number.

99954040 is an abundant number, since it is smaller than the sum of its proper divisors (124942640).

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

99954040 is a wasteful number, since it uses less digits than its factorization.

99954040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498862 (or 2498858 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 99954040 is about 9997.7017358991. The cubic root of 99954040 is about 464.0877633236.

The spelling of 99954040 in words is "ninety-nine million, nine hundred fifty-four thousand, forty".