1262088040 has 32 divisors (see below), whose sum is σ = 2873918880. Its totient is φ = 498751552.

The previous prime is 1262088029. The next prime is 1262088043. The reversal of 1262088040 is 408802621.

It is a super-2 number, since 2×1262088040² = 3185732441422083200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1262087993 and 1262088011.

It is not an unprimeable number, because it can be changed into a prime (1262088043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186754 + ... + 193393.

It is an arithmetic number, because the mean of its divisors is an integer number (89809965).

Almost surely, 2^1262088040 is an apocalyptic number.

1262088040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1262088040 is an abundant number, since it is smaller than the sum of its proper divisors (1611830840).

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

1262088040 is a wasteful number, since it uses less digits than its factorization.

1262088040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380241 (or 380237 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1262088040 is about 35525.8784550080. The cubic root of 1262088040 is about 1080.6785973039.

The spelling of 1262088040 in words is "one billion, two hundred sixty-two million, eighty-eight thousand, forty".