742260207220440 has 32 divisors (see below), whose sum is σ = 2226780621661680. Its totient is φ = 197936055258752.

The previous prime is 742260207220429. The next prime is 742260207220517. The reversal of 742260207220440 is 44022702062247.

It is a super-2 number, since 2×742260207220440² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742260207220392 and 742260207220401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092750863299 + ... + 3092750863538.

Almost surely, 2^{742260207220440} is an apocalyptic number.

It is an amenable number.

742260207220440 is an abundant number, since it is smaller than the sum of its proper divisors (1484520414441240).

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

742260207220440 is a wasteful number, since it uses less digits than its factorization.

742260207220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185501726851 (or 6185501726847 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 42.

Adding to 742260207220440 its reverse (44022702062247), we get a palindrome (786282909282687).

The spelling of 742260207220440 in words is "seven hundred forty-two trillion, two hundred sixty billion, two hundred seven million, two hundred twenty thousand, four hundred forty".