40621646334 has 16 divisors (see below), whose sum is σ = 85519255680. Its totient is φ = 12827888280.

The previous prime is 40621646311. The next prime is 40621646363. The reversal of 40621646334 is 43364612604.

It is a junction number, because it is equal to n+sod(n) for n = 40621646292 and 40621646301.

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, 178165002 + ... + 178165229.

It is an arithmetic number, because the mean of its divisors is an integer number (5344953480).

Almost surely, 2^40621646334 is an apocalyptic number.

40621646334 is an abundant number, since it is smaller than the sum of its proper divisors (44897609346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40621646334 is a wasteful number, since it uses less digits than its factorization.

40621646334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356330255.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 40621646334 in words is "forty billion, six hundred twenty-one million, six hundred forty-six thousand, three hundred thirty-four".