261451726202424 has 32 divisors (see below), whose sum is σ = 653844254628240. Its totient is φ = 87121916851200.

The previous prime is 261451726202423. The next prime is 261451726202519. The reversal of 261451726202424 is 424202627154162.

261451726202424 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261451726202423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791084847 + ... + 1791230814.

Almost surely, 2^{261451726202424} is an apocalyptic number.

261451726202424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

261451726202424 is an abundant number, since it is smaller than the sum of its proper divisors (392392528425816).

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

261451726202424 is a wasteful number, since it uses less digits than its factorization.

261451726202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582318711 (or 3582318707 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 261451726202424 in words is "two hundred sixty-one trillion, four hundred fifty-one billion, seven hundred twenty-six million, two hundred two thousand, four hundred twenty-four".