1024215011240 has 32 divisors (see below), whose sum is σ = 2305251950760. Its totient is φ = 409549440000.

The previous prime is 1024215011233. The next prime is 1024215011291. The reversal of 1024215011240 is 421105124201.

It can be written as a sum of positive squares in 4 ways, for example, as 847110388996 + 177104622244 = 920386^2 + 420838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146101 + ... + 4386180.

Almost surely, 2^{1024215011240} is an apocalyptic number.

1024215011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024215011240 is an abundant number, since it is smaller than the sum of its proper divisors (1281036939520).

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

1024215011240 is a wasteful number, since it uses less digits than its factorization.

1024215011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535293 (or 8535289 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 1024215011240 in words is "one trillion, twenty-four billion, two hundred fifteen million, eleven thousand, two hundred forty".