1264324040 has 64 divisors (see below), whose sum is σ = 3339014400. Its totient is φ = 421763328.

The previous prime is 1264324037. The next prime is 1264324079. The reversal of 1264324040 is 404234621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50660 + ... + 71379.

It is an arithmetic number, because the mean of its divisors is an integer number (52172100).

Almost surely, 2^1264324040 is an apocalyptic number.

1264324040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264324040 is an abundant number, since it is smaller than the sum of its proper divisors (2074690360).

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

1264324040 is a wasteful number, since it uses less digits than its factorization.

1264324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122094 (or 122090 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1264324040 is about 35557.3345457727. The cubic root of 1264324040 is about 1081.3164217273.

Adding to 1264324040 its reverse (404234621), we get a palindrome (1668558661).

The spelling of 1264324040 in words is "one billion, two hundred sixty-four million, three hundred twenty-four thousand, forty".