61440654 has 24 divisors (see below), whose sum is σ = 135069480. Its totient is φ = 18618160.

The previous prime is 61440637. The next prime is 61440671. The reversal of 61440654 is 45604416.

It is an interprime number because it is at equal distance from previous prime (61440637) and next prime (61440671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41589 + ... + 43040.

It is an arithmetic number, because the mean of its divisors is an integer number (5627895).

Almost surely, 2^61440654 is an apocalyptic number.

61440654 is an abundant number, since it is smaller than the sum of its proper divisors (73628826).

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

61440654 is a wasteful number, since it uses less digits than its factorization.

61440654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84656 (or 84645 counting only the distinct ones).

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

The square root of 61440654 is about 7838.4088946673. The cubic root of 61440654 is about 394.5953319771.

The spelling of 61440654 in words is "sixty-one million, four hundred forty thousand, six hundred fifty-four".