1406377626 has 8 divisors (see below), whose sum is σ = 2812755264. Its totient is φ = 468792540.

The previous prime is 1406377607. The next prime is 1406377627. The reversal of 1406377626 is 6267736041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1406377626 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1406377627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117198130 + ... + 117198141.

It is an arithmetic number, because the mean of its divisors is an integer number (351594408).

Almost surely, 2^1406377626 is an apocalyptic number.

1406377626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1406377626 is a wasteful number, since it uses less digits than its factorization.

1406377626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234396276.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 1406377626 is about 37501.7016413922. The cubic root of 1406377626 is about 1120.3850785777.

It can be divided in two parts, 1406377 and 626, that added together give a triangular number (1407003 = T₁₆₇₇).

The spelling of 1406377626 in words is "one billion, four hundred six million, three hundred seventy-seven thousand, six hundred twenty-six".