261127464 has 64 divisors (see below), whose sum is σ = 733622400. Its totient is φ = 76851456.

The previous prime is 261127453. The next prime is 261127501. The reversal of 261127464 is 464721162.

261127464 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11019 + ... + 25370.

It is an arithmetic number, because the mean of its divisors is an integer number (11462850).

Almost surely, 2^261127464 is an apocalyptic number.

261127464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

261127464 is an abundant number, since it is smaller than the sum of its proper divisors (472494936).

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

261127464 is a wasteful number, since it uses less digits than its factorization.

261127464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36434 (or 36430 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 261127464 is about 16159.4388516433. The cubic root of 261127464 is about 639.1716692670.

The spelling of 261127464 in words is "two hundred sixty-one million, one hundred twenty-seven thousand, four hundred sixty-four".