60149540 has 48 divisors (see below), whose sum is σ = 139212864. Its totient is φ = 21648000.

The previous prime is 60149539. The next prime is 60149543. The reversal of 60149540 is 4594106.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (60149543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20867 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (2900268).

Almost surely, 2^60149540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60149540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69606432).

60149540 is an abundant number, since it is smaller than the sum of its proper divisors (79063324).

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

60149540 is a wasteful number, since it uses less digits than its factorization.

60149540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 60149540 is about 7755.6134509141. The cubic root of 60149540 is about 391.8117327934.

The spelling of 60149540 in words is "sixty million, one hundred forty-nine thousand, five hundred forty".