40078295654 has 4 divisors (see below), whose sum is σ = 60117443484. Its totient is φ = 20039147826.

The previous prime is 40078295581. The next prime is 40078295707. The reversal of 40078295654 is 45659287004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10019573912 + ... + 10019573915.

It is an arithmetic number, because the mean of its divisors is an integer number (15029360871).

Almost surely, 2^40078295654 is an apocalyptic number.

40078295654 is a deficient number, since it is larger than the sum of its proper divisors (20039147830).

40078295654 is a wasteful number, since it uses less digits than its factorization.

40078295654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039147829.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 40078295654 in words is "forty billion, seventy-eight million, two hundred ninety-five thousand, six hundred fifty-four".