40761457 has 8 divisors (see below), whose sum is σ = 45669312. Its totient is φ = 36054000.

The previous prime is 40761449. The next prime is 40761499. The reversal of 40761457 is 75416704.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40761457 - 2³ = 40761449 is a prime.

It is a super-2 number, since 2×40761457² = 3322992753525698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40761157) 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, 49669 + ... + 50482.

It is an arithmetic number, because the mean of its divisors is an integer number (5708664).

Almost surely, 2^40761457 is an apocalyptic number.

It is an amenable number.

40761457 is a deficient number, since it is larger than the sum of its proper divisors (4907855).

40761457 is a wasteful number, since it uses less digits than its factorization.

40761457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100199.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40761457 is about 6384.4699858328. The cubic root of 40761457 is about 344.1516846156.

The spelling of 40761457 in words is "forty million, seven hundred sixty-one thousand, four hundred fifty-seven".