1426376380 has 48 divisors (see below), whose sum is σ = 3519067104. Its totient is φ = 478782720.

The previous prime is 1426376353. The next prime is 1426376383. The reversal of 1426376380 is 836736241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426376383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246507 + ... + 252226.

It is an arithmetic number, because the mean of its divisors is an integer number (73313898).

Almost surely, 2^1426376380 is an apocalyptic number.

1426376380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426376380 is an abundant number, since it is smaller than the sum of its proper divisors (2092690724).

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

1426376380 is a wasteful number, since it uses less digits than its factorization.

1426376380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498766 (or 498764 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1426376380 is about 37767.3983747888. The cubic root of 1426376380 is about 1125.6707453598.

The spelling of 1426376380 in words is "one billion, four hundred twenty-six million, three hundred seventy-six thousand, three hundred eighty".