99440254 has 4 divisors (see below), whose sum is σ = 149160384. Its totient is φ = 49720126.

The previous prime is 99440249. The next prime is 99440267. The reversal of 99440254 is 45204499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45204499 = 23 ⋅1965413.

It is a pancake number, because a pancake can be divided into 99440254 parts by 14102 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24860062 + ... + 24860065.

It is an arithmetic number, because the mean of its divisors is an integer number (37290096).

Almost surely, 2^99440254 is an apocalyptic number.

99440254 is a deficient number, since it is larger than the sum of its proper divisors (49720130).

99440254 is a wasteful number, since it uses less digits than its factorization.

99440254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49720129.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 99440254 is about 9971.9734255562. The cubic root of 99440254 is about 463.2912255208.

The spelling of 99440254 in words is "ninety-nine million, four hundred forty thousand, two hundred fifty-four".