740391280471 has 4 divisors (see below), whose sum is σ = 783943708752. Its totient is φ = 696838852192.

The previous prime is 740391280469. The next prime is 740391280493. The reversal of 740391280471 is 174082193047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740391280471 - 2¹ = 740391280469 is a prime.

It is a super-3 number, since 3×740391280471³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740391286471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21776214115 + ... + 21776214148.

It is an arithmetic number, because the mean of its divisors is an integer number (195985927188).

Almost surely, 2^740391280471 is an apocalyptic number.

740391280471 is a deficient number, since it is larger than the sum of its proper divisors (43552428281).

740391280471 is a wasteful number, since it uses less digits than its factorization.

740391280471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43552428280.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 740391280471 in words is "seven hundred forty billion, three hundred ninety-one million, two hundred eighty thousand, four hundred seventy-one".