1077620244 has 12 divisors (see below), whose sum is σ = 2514447264. Its totient is φ = 359206744.

The previous prime is 1077620237. The next prime is 1077620263. The reversal of 1077620244 is 4420267701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1077620244² = 2322530780557239072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44900832 + ... + 44900855.

It is an arithmetic number, because the mean of its divisors is an integer number (209537272).

Almost surely, 2^1077620244 is an apocalyptic number.

It is an amenable number.

1077620244 is an abundant number, since it is smaller than the sum of its proper divisors (1436827020).

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

1077620244 is a wasteful number, since it uses less digits than its factorization.

1077620244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89801694 (or 89801692 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1077620244 is about 32827.1266485509. The cubic root of 1077620244 is about 1025.2314350296.

Adding to 1077620244 its reverse (4420267701), we get a palindrome (5497887945).

The spelling of 1077620244 in words is "one billion, seventy-seven million, six hundred twenty thousand, two hundred forty-four".