40880739 has 4 divisors (see below), whose sum is σ = 54507656. Its totient is φ = 27253824.

The previous prime is 40880717. The next prime is 40880743. The reversal of 40880739 is 93708804.

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

It is not a de Polignac number, because 40880739 - 2¹² = 40876643 is a prime.

It is a super-2 number, since 2×40880739² = 3342469642372242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40880697 and 40880706.

It is not an unprimeable number, because it can be changed into a prime (40880779) 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, 6813454 + ... + 6813459.

It is an arithmetic number, because the mean of its divisors is an integer number (13626914).

Almost surely, 2^40880739 is an apocalyptic number.

40880739 is a deficient number, since it is larger than the sum of its proper divisors (13626917).

40880739 is a wasteful number, since it uses less digits than its factorization.

40880739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13626916.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 40880739 is about 6393.8047358361. The cubic root of 40880739 is about 344.4870596328.

The spelling of 40880739 in words is "forty million, eight hundred eighty thousand, seven hundred thirty-nine".