40494510 has 192 divisors, whose sum is σ = 134784000. Its totient is φ = 8211456.

The previous prime is 40494499. The next prime is 40494521. The reversal of 40494510 is 1549404.

It is an interprime number because it is at equal distance from previous prime (40494499) and next prime (40494521).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203391 + ... + 203589.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^40494510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40494510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).

40494510 is an abundant number, since it is smaller than the sum of its proper divisors (94289490).

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

40494510 is a wasteful number, since it uses less digits than its factorization.

40494510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40494510 is about 6363.5296809239. The cubic root of 40494510 is about 343.3987548273.

The spelling of 40494510 in words is "forty million, four hundred ninety-four thousand, five hundred ten".