402611426 has 16 divisors (see below), whose sum is σ = 703214784. Its totient is φ = 169291824.

The previous prime is 402611423. The next prime is 402611453. The reversal of 402611426 is 624116204.

It is a junction number, because it is equal to n+sod(n) for n = 402611395 and 402611404.

It is not an unprimeable number, because it can be changed into a prime (402611423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270560 + ... + 272043.

It is an arithmetic number, because the mean of its divisors is an integer number (43950924).

Almost surely, 2^402611426 is an apocalyptic number.

402611426 is a deficient number, since it is larger than the sum of its proper divisors (300603358).

402611426 is a wasteful number, since it uses less digits than its factorization.

402611426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542665.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 402611426 is about 20065.1794410117. The cubic root of 402611426 is about 738.4062522384.

The spelling of 402611426 in words is "four hundred two million, six hundred eleven thousand, four hundred twenty-six".