99454040 has 32 divisors (see below), whose sum is σ = 255739680. Its totient is φ = 34098432.

The previous prime is 99454007. The next prime is 99454051. The reversal of 99454040 is 4045499.

It is a super-2 number, since 2×99454040² = 19782212144643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 177317 + ... + 177876.

It is an arithmetic number, because the mean of its divisors is an integer number (7991865).

Almost surely, 2^99454040 is an apocalyptic number.

It is an amenable number.

99454040 is an abundant number, since it is smaller than the sum of its proper divisors (156285640).

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

99454040 is a wasteful number, since it uses less digits than its factorization.

99454040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355211 (or 355207 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 99454040 is about 9972.6646389017. The cubic root of 99454040 is about 463.3126341471.

The spelling of 99454040 in words is "ninety-nine million, four hundred fifty-four thousand, forty".