427049451 has 24 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 279140400.

The previous prime is 427049419. The next prime is 427049477. The reversal of 427049451 is 154940724.

It is a happy number.

It is not a de Polignac number, because 427049451 - 2⁵ = 427049419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427049411) 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, 120300 + ... + 123798.

It is an arithmetic number, because the mean of its divisors is an integer number (26208000).

Almost surely, 2^427049451 is an apocalyptic number.

427049451 is a deficient number, since it is larger than the sum of its proper divisors (201942549).

427049451 is a wasteful number, since it uses less digits than its factorization.

427049451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 427049451 is about 20665.1748359408. The cubic root of 427049451 is about 753.0538894677.

The spelling of 427049451 in words is "four hundred twenty-seven million, forty-nine thousand, four hundred fifty-one".