40051551349 has 8 divisors (see below), whose sum is σ = 41574267648. Its totient is φ = 38556774960.

The previous prime is 40051551329. The next prime is 40051551367. The reversal of 40051551349 is 94315515004.

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

It is a cyclic number.

It is not a de Polignac number, because 40051551349 - 2⁵ = 40051551317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051551329) 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, 6982057 + ... + 6987790.

It is an arithmetic number, because the mean of its divisors is an integer number (5196783456).

Almost surely, 2^40051551349 is an apocalyptic number.

It is an amenable number.

40051551349 is a deficient number, since it is larger than the sum of its proper divisors (1522716299).

40051551349 is a wasteful number, since it uses less digits than its factorization.

40051551349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969955.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 40051551349 in words is "forty billion, fifty-one million, five hundred fifty-one thousand, three hundred forty-nine".