40645150 has 48 divisors (see below), whose sum is σ = 93056544. Its totient is φ = 12862080.

The previous prime is 40645133. The next prime is 40645217. The reversal of 40645150 is 5154604.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (1938678).

Almost surely, 2^40645150 is an apocalyptic number.

40645150 is an abundant number, since it is smaller than the sum of its proper divisors (52411394).

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

40645150 is a wasteful number, since it uses less digits than its factorization.

40645150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965 (or 8960 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40645150 is about 6375.3548920825. The cubic root of 40645150 is about 343.8240435540.

Adding to 40645150 its reverse (5154604), we get a palindrome (45799754).

The spelling of 40645150 in words is "forty million, six hundred forty-five thousand, one hundred fifty".