740155123014420 has 48 divisors (see below), whose sum is σ = 2106408677966208. Its totient is φ = 194139048658560.

The previous prime is 740155123014413. The next prime is 740155123014493. The reversal of 740155123014420 is 24410321551047.

It is a happy number.

It is a super-2 number, since 2×740155123014420² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101114084184 + ... + 101114091503.

It is an arithmetic number, because the mean of its divisors is an integer number (43883514124296).

Almost surely, 2^{740155123014420} is an apocalyptic number.

It is an amenable number.

740155123014420 is an abundant number, since it is smaller than the sum of its proper divisors (1366253554951788).

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

740155123014420 is a wasteful number, since it uses less digits than its factorization.

740155123014420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202228175760 (or 202228175758 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 740155123014420 its reverse (24410321551047), we get a palindrome (764565444565467).

The spelling of 740155123014420 in words is "seven hundred forty trillion, one hundred fifty-five billion, one hundred twenty-three million, fourteen thousand, four hundred twenty".