740411020021 has 8 divisors (see below), whose sum is σ = 784029516480. Its totient is φ = 696799735488.

The previous prime is 740411020009. The next prime is 740411020051. The reversal of 740411020021 is 120020114047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740411020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740411019974 and 740411020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740411020001) 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, 1590891 + ... + 2002936.

It is an arithmetic number, because the mean of its divisors is an integer number (98003689560).

Almost surely, 2^740411020021 is an apocalyptic number.

It is an amenable number.

740411020021 is a deficient number, since it is larger than the sum of its proper divisors (43618496459).

740411020021 is a wasteful number, since it uses less digits than its factorization.

740411020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605963.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 740411020021 its reverse (120020114047), we get a palindrome (860431134068).

The spelling of 740411020021 in words is "seven hundred forty billion, four hundred eleven million, twenty thousand, twenty-one".