48440421 has 12 divisors (see below), whose sum is σ = 70092672. Its totient is φ = 32236776.

The previous prime is 48440417. The next prime is 48440459. The reversal of 48440421 is 12404484.

It is a happy number.

It is not a de Polignac number, because 48440421 - 2² = 48440417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48440401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030 + ... + 9896.

It is an arithmetic number, because the mean of its divisors is an integer number (5841056).

Almost surely, 2^48440421 is an apocalyptic number.

It is an amenable number.

48440421 is a deficient number, since it is larger than the sum of its proper divisors (21652251).

48440421 is a wasteful number, since it uses less digits than its factorization.

48440421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480 (or 9477 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 48440421 is about 6959.9153012088. The cubic root of 48440421 is about 364.5322613093.

The spelling of 48440421 in words is "forty-eight million, four hundred forty thousand, four hundred twenty-one".