94404540 has 48 divisors (see below), whose sum is σ = 278248320. Its totient is φ = 23849280.

The previous prime is 94404523. The next prime is 94404551. The reversal of 94404540 is 4540449.

It is a super-2 number, since 2×94404540² = 17824434345223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 94404498 and 94404507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40266 + ... + 42545.

It is an arithmetic number, because the mean of its divisors is an integer number (5796840).

Almost surely, 2^94404540 is an apocalyptic number.

It is an amenable number.

94404540 is an abundant number, since it is smaller than the sum of its proper divisors (183843780).

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

94404540 is a wasteful number, since it uses less digits than its factorization.

94404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82842 (or 82840 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 94404540 is about 9716.1998744365. The cubic root of 94404540 is about 455.3349222661.

Adding to 94404540 its reverse (4540449), we get a palindrome (98944989).

The spelling of 94404540 in words is "ninety-four million, four hundred four thousand, five hundred forty".