1426555405 has 32 divisors (see below), whose sum is σ = 1888220160. Its totient is φ = 1026055680.

The previous prime is 1426555399. The next prime is 1426555423. The reversal of 1426555405 is 5045556241.

It is not a de Polignac number, because 1426555405 - 2⁵ = 1426555373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2977956 + ... + 2978434.

It is an arithmetic number, because the mean of its divisors is an integer number (59006880).

Almost surely, 2^1426555405 is an apocalyptic number.

It is an amenable number.

1426555405 is a deficient number, since it is larger than the sum of its proper divisors (461664755).

1426555405 is a wasteful number, since it uses less digits than its factorization.

1426555405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 1426555405 is about 37769.7684001372. The cubic root of 1426555405 is about 1125.7178378331.

The spelling of 1426555405 in words is "one billion, four hundred twenty-six million, five hundred fifty-five thousand, four hundred five".