1025222366640 has 40 divisors (see below), whose sum is σ = 3178189337328. Its totient is φ = 273392631040.

The previous prime is 1025222366639. The next prime is 1025222366669. The reversal of 1025222366640 is 466632225201.

1025222366640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2135879691 + ... + 2135880170.

Almost surely, 2^{1025222366640} is an apocalyptic number.

1025222366640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025222366640 is an abundant number, since it is smaller than the sum of its proper divisors (2152966970688).

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

1025222366640 is a wasteful number, since it uses less digits than its factorization.

1025222366640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271759877 (or 4271759871 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 1025222366640 in words is "one trillion, twenty-five billion, two hundred twenty-two million, three hundred sixty-six thousand, six hundred forty".