1149402426 has 32 divisors (see below), whose sum is σ = 2352732480. Its totient is φ = 374250624.

The previous prime is 1149402421. The next prime is 1149402461. The reversal of 1149402426 is 6242049411.

It is a super-2 number, since 2×1149402426² = 2642251873789370952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1149402421) 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, 31356 + ... + 57288.

It is an arithmetic number, because the mean of its divisors is an integer number (73522890).

Almost surely, 2^1149402426 is an apocalyptic number.

1149402426 is an abundant number, since it is smaller than the sum of its proper divisors (1203330054).

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

1149402426 is a wasteful number, since it uses less digits than its factorization.

1149402426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26110.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1149402426 is about 33902.8380227969. The cubic root of 1149402426 is about 1047.5080515745.

The spelling of 1149402426 in words is "one billion, one hundred forty-nine million, four hundred two thousand, four hundred twenty-six".