1426928436 has 18 divisors (see below), whose sum is σ = 3606958082. Its totient is φ = 475642800.

The previous prime is 1426928401. The next prime is 1426928467. The reversal of 1426928436 is 6348296241.

It can be written as a sum of positive squares in only one way, i.e., 1283072400 + 143856036 = 35820^2 + 11994^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1426928436² = 4072249522930812192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1426928391 and 1426928400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19818415 + ... + 19818486.

Almost surely, 2^1426928436 is an apocalyptic number.

It is an amenable number.

1426928436 is an abundant number, since it is smaller than the sum of its proper divisors (2180029646).

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

1426928436 is a wasteful number, since it uses less digits than its factorization.

1426928436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39636911 (or 39636906 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1426928436 is about 37774.7062993215. The cubic root of 1426928436 is about 1125.8159508710.

The spelling of 1426928436 in words is "one billion, four hundred twenty-six million, nine hundred twenty-eight thousand, four hundred thirty-six".