127045440 has 168 divisors, whose sum is σ = 451396608. Its totient is φ = 32762880.

The previous prime is 127045411. The next prime is 127045441. The reversal of 127045440 is 44540721.

It is a super-2 number, since 2×127045440² = 32281087649587200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127045441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88569 + ... + 89991.

Almost surely, 2^127045440 is an apocalyptic number.

127045440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225698304).

127045440 is an abundant number, since it is smaller than the sum of its proper divisors (324351168).

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

127045440 is a wasteful number, since it uses less digits than its factorization.

127045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 127045440 is about 11271.4435632709. The cubic root of 127045440 is about 502.7125112878.

The spelling of 127045440 in words is "one hundred twenty-seven million, forty-five thousand, four hundred forty".