40713651 has 48 divisors (see below), whose sum is σ = 68565120. Its totient is φ = 23677920.

The previous prime is 40713649. The next prime is 40713661. The reversal of 40713651 is 15631704.

40713651 is a `hidden beast` number, since 4 + 0 + 7 + 1 + 3 + 651 = 666.

It is not a de Polignac number, because 40713651 - 2¹ = 40713649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40713641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249696 + ... + 249858.

It is an arithmetic number, because the mean of its divisors is an integer number (1428440).

Almost surely, 2^40713651 is an apocalyptic number.

40713651 is a deficient number, since it is larger than the sum of its proper divisors (27851469).

40713651 is a wasteful number, since it uses less digits than its factorization.

40713651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 40713651 is about 6380.7249588115. The cubic root of 40713651 is about 344.0170889068.

The spelling of 40713651 in words is "forty million, seven hundred thirteen thousand, six hundred fifty-one".