1040777172 has 72 divisors (see below), whose sum is σ = 2754591840. Its totient is φ = 330899520.

The previous prime is 1040777147. The next prime is 1040777173. The reversal of 1040777172 is 2717770401.

1040777172 is a `hidden beast` number, since 10 + 407 + 77 + 172 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040777173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80647 + ... + 92657.

It is an arithmetic number, because the mean of its divisors is an integer number (38258220).

Almost surely, 2^1040777172 is an apocalyptic number.

1040777172 is a gapful number since it is divisible by the number (12) 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 1040777172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377295920).

1040777172 is an abundant number, since it is smaller than the sum of its proper divisors (1713814668).

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

1040777172 is a wasteful number, since it uses less digits than its factorization.

1040777172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133 (or 12128 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

The square root of 1040777172 is about 32261.0782832812. The cubic root of 1040777172 is about 1013.4117124950.

The spelling of 1040777172 in words is "one billion, forty million, seven hundred seventy-seven thousand, one hundred seventy-two".