1427694240 has 96 divisors (see below), whose sum is σ = 5139711360. Its totient is φ = 326329344.

The previous prime is 1427694239. The next prime is 1427694253. The reversal of 1427694240 is 424967241.

It is a tau number, because it is divible by the number of its divisors (96).

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, 209095 + ... + 215814.

It is an arithmetic number, because the mean of its divisors is an integer number (53538660).

Almost surely, 2^1427694240 is an apocalyptic number.

1427694240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427694240 is an abundant number, since it is smaller than the sum of its proper divisors (3712017120).

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

1427694240 is a wasteful number, since it uses less digits than its factorization.

1427694240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424934 (or 424926 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1427694240 is about 37784.8414049867. The cubic root of 1427694240 is about 1126.0173158330.

The spelling of 1427694240 in words is "one billion, four hundred twenty-seven million, six hundred ninety-four thousand, two hundred forty".