40494351 has 8 divisors (see below), whose sum is σ = 54043264. Its totient is φ = 26970840.

The previous prime is 40494343. The next prime is 40494359. The reversal of 40494351 is 15349404.

It is an interprime number because it is at equal distance from previous prime (40494343) and next prime (40494359).

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

It is not a de Polignac number, because 40494351 - 2³ = 40494343 is a prime.

It is a super-2 number, since 2×40494351² = 3279584925822402, which contains 22 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 (40494359) 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, 2251 + ... + 9276.

It is an arithmetic number, because the mean of its divisors is an integer number (6755408).

Almost surely, 2^40494351 is an apocalyptic number.

40494351 is a deficient number, since it is larger than the sum of its proper divisors (13548913).

40494351 is a wasteful number, since it uses less digits than its factorization.

40494351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12701.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40494351 is about 6363.5171878451. The cubic root of 40494351 is about 343.3983053797.

The spelling of 40494351 in words is "forty million, four hundred ninety-four thousand, three hundred fifty-one".