1021356340418 has 16 divisors (see below), whose sum is σ = 1535175918720. Its totient is φ = 509631971376.

The previous prime is 1021356340339. The next prime is 1021356340447. The reversal of 1021356340418 is 8140436531201.

It is a super-2 number, since 2×1021356340418² (a number of 25 digits) contains 22 as substring.

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, 1956896 + ... + 2423252.

It is an arithmetic number, because the mean of its divisors is an integer number (95948494920).

Almost surely, 2^{1021356340418} is an apocalyptic number.

1021356340418 is a deficient number, since it is larger than the sum of its proper divisors (513819578302).

1021356340418 is a wasteful number, since it uses less digits than its factorization.

1021356340418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468601.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1021356340418 in words is "one trillion, twenty-one billion, three hundred fifty-six million, three hundred forty thousand, four hundred eighteen".