61440348 has 12 divisors (see below), whose sum is σ = 143360840. Its totient is φ = 20480112.

The previous prime is 61440331. The next prime is 61440361. The reversal of 61440348 is 84304416.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×61440348² = 7549832724722208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560003 + ... + 2560026.

Almost surely, 2^61440348 is an apocalyptic number.

It is an amenable number.

61440348 is an abundant number, since it is smaller than the sum of its proper divisors (81920492).

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

61440348 is a wasteful number, since it uses less digits than its factorization.

61440348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120036 (or 5120034 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 61440348 is about 7838.3893753755. The cubic root of 61440348 is about 394.5946768930.

The spelling of 61440348 in words is "sixty-one million, four hundred forty thousand, three hundred forty-eight".