60091040 has 24 divisors (see below), whose sum is σ = 141965460. Its totient is φ = 24036352.

The previous prime is 60091037. The next prime is 60091049. The reversal of 60091040 is 4019006.

It can be written as a sum of positive squares in 2 ways, for example, as 60031504 + 59536 = 7748^2 + 244^2 .

It is a super-2 number, since 2×60091040² = 7221866176563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (60091049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187625 + ... + 187944.

Almost surely, 2^60091040 is an apocalyptic number.

It is an amenable number.

60091040 is an abundant number, since it is smaller than the sum of its proper divisors (81874420).

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

60091040 is a wasteful number, since it uses less digits than its factorization.

60091040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375584 (or 375576 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 60091040 is about 7751.8410716423. The cubic root of 60091040 is about 391.6846693601.

The spelling of 60091040 in words is "sixty million, ninety-one thousand, forty".