40276645 has 8 divisors (see below), whose sum is σ = 49151520. Its totient is φ = 31674960.

The previous prime is 40276633. The next prime is 40276651. The reversal of 40276645 is 54667204.

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

It is not a de Polignac number, because 40276645 - 2¹³ = 40268453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40276645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67971 + ... + 68560.

It is an arithmetic number, because the mean of its divisors is an integer number (6143940).

Almost surely, 2^40276645 is an apocalyptic number.

It is an amenable number.

40276645 is a deficient number, since it is larger than the sum of its proper divisors (8874875).

40276645 is a wasteful number, since it uses less digits than its factorization.

40276645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136595.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 40276645 is about 6346.3883429869. The cubic root of 40276645 is about 342.7818058265.

The spelling of 40276645 in words is "forty million, two hundred seventy-six thousand, six hundred forty-five".