427544156 has 24 divisors (see below), whose sum is σ = 848166480. Its totient is φ = 186941952.

The previous prime is 427544153. The next prime is 427544189. The reversal of 427544156 is 651445724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427544153) 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, 215381 + ... + 217356.

It is an arithmetic number, because the mean of its divisors is an integer number (35340270).

Almost surely, 2^427544156 is an apocalyptic number.

It is an amenable number.

427544156 is a deficient number, since it is larger than the sum of its proper divisors (420622324).

427544156 is a wasteful number, since it uses less digits than its factorization.

427544156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432773 (or 432771 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 427544156 is about 20677.1409048737. The cubic root of 427544156 is about 753.3445628803.

The spelling of 427544156 in words is "four hundred twenty-seven million, five hundred forty-four thousand, one hundred fifty-six".