1167406240 has 384 divisors, whose sum is σ = 3822432768. Its totient is φ = 325140480.

The previous prime is 1167406231. The next prime is 1167406259. The reversal of 1167406240 is 426047611.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5925822 + ... + 5926018.

It is an arithmetic number, because the mean of its divisors is an integer number (9954252).

Almost surely, 2^1167406240 is an apocalyptic number.

1167406240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167406240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911216384).

1167406240 is an abundant number, since it is smaller than the sum of its proper divisors (2655026528).

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

1167406240 is a wasteful number, since it uses less digits than its factorization.

1167406240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1167406240 is about 34167.3270830482. The cubic root of 1167406240 is about 1052.9490007698.

The spelling of 1167406240 in words is "one billion, one hundred sixty-seven million, four hundred six thousand, two hundred forty".