1126146686440 has 64 divisors (see below), whose sum is σ = 2644400293200. Its totient is φ = 431076667392.

The previous prime is 1126146686437. The next prime is 1126146686479. The reversal of 1126146686440 is 446866416211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 71758622884 + 1054388063556 = 267878^2 + 1026834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164567 + ... + 4426726.

Almost surely, 2^{1126146686440} is an apocalyptic number.

1126146686440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126146686440 is an abundant number, since it is smaller than the sum of its proper divisors (1518253606760).

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

1126146686440 is a wasteful number, since it uses less digits than its factorization.

1126146686440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591446 (or 8591442 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 1126146686440 in words is "one trillion, one hundred twenty-six billion, one hundred forty-six million, six hundred eighty-six thousand, four hundred forty".