1156026260 has 48 divisors (see below), whose sum is σ = 2471575680. Its totient is φ = 454097280.

The previous prime is 1156026257. The next prime is 1156026269. The reversal of 1156026260 is 626206511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156026269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391871 + ... + 394809.

It is an arithmetic number, because the mean of its divisors is an integer number (51491160).

Almost surely, 2^1156026260 is an apocalyptic number.

1156026260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156026260 is an abundant number, since it is smaller than the sum of its proper divisors (1315549420).

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

1156026260 is a wasteful number, since it uses less digits than its factorization.

1156026260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3294 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1156026260 is about 34000.3861742775. The cubic root of 1156026260 is about 1049.5164092075.

The spelling of 1156026260 in words is "one billion, one hundred fifty-six million, twenty-six thousand, two hundred sixty".