427400263724 has 24 divisors (see below), whose sum is σ = 855255555840. Its totient is φ = 183074035536.

The previous prime is 427400263721. The next prime is 427400263727. The reversal of 427400263724 is 427362004724.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (427400263721) and next prime (427400263727).

It is not an unprimeable number, because it can be changed into a prime (427400263721) 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, 4009202 + ... + 4114425.

It is an arithmetic number, because the mean of its divisors is an integer number (35635648160).

Almost surely, 2^427400263724 is an apocalyptic number.

It is an amenable number.

427400263724 is an abundant number, since it is smaller than the sum of its proper divisors (427855292116).

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

427400263724 is a wasteful number, since it uses less digits than its factorization.

427400263724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125517 (or 8125515 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 427400263724 in words is "four hundred twenty-seven billion, four hundred million, two hundred sixty-three thousand, seven hundred twenty-four".