1090632042 has 24 divisors (see below), whose sum is σ = 2502038916. Its totient is φ = 342158976.

The previous prime is 1090632031. The next prime is 1090632047. The reversal of 1090632042 is 2402360901.

It can be written as a sum of positive squares in 2 ways, for example, as 1053067401 + 37564641 = 32451^2 + 6129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1090631997 and 1090632015.

It is not an unprimeable number, because it can be changed into a prime (1090632047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1781773 + ... + 1782384.

Almost surely, 2^1090632042 is an apocalyptic number.

1090632042 is an abundant number, since it is smaller than the sum of its proper divisors (1411406874).

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

1090632042 is a wasteful number, since it uses less digits than its factorization.

1090632042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564182 (or 3564179 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1090632042 is about 33024.7186513375. The cubic root of 1090632042 is about 1029.3413459534.

Adding to 1090632042 its reverse (2402360901), we get a palindrome (3492992943).

The spelling of 1090632042 in words is "one billion, ninety million, six hundred thirty-two thousand, forty-two".