601274640 has 40 divisors (see below), whose sum is σ = 1863952128. Its totient is φ = 160339840.

The previous prime is 601274617. The next prime is 601274651. The reversal of 601274640 is 46472106.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 601274598 and 601274607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252416 + ... + 1252895.

Almost surely, 2^601274640 is an apocalyptic number.

601274640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

601274640 is an abundant number, since it is smaller than the sum of its proper divisors (1262677488).

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

601274640 is a wasteful number, since it uses less digits than its factorization.

601274640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505327 (or 2505321 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 601274640 is about 24520.9021041233. The cubic root of 601274640 is about 844.0295056432.

The spelling of 601274640 in words is "six hundred one million, two hundred seventy-four thousand, six hundred forty".