40015497061 has 8 divisors (see below), whose sum is σ = 40266148544. Its totient is φ = 39764908800.

The previous prime is 40015497043. The next prime is 40015497079. The reversal of 40015497061 is 16079451004.

It is an interprime number because it is at equal distance from previous prime (40015497043) and next prime (40015497079).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40015497061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40015497061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015497001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338840 + ... + 2355886.

It is an arithmetic number, because the mean of its divisors is an integer number (5033268568).

Almost surely, 2^40015497061 is an apocalyptic number.

It is an amenable number.

40015497061 is a deficient number, since it is larger than the sum of its proper divisors (250651483).

40015497061 is a wasteful number, since it uses less digits than its factorization.

40015497061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31611.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 40015497061 in words is "forty billion, fifteen million, four hundred ninety-seven thousand, sixty-one".