40633421534 has 8 divisors (see below), whose sum is σ = 62597433288. Its totient is φ = 19767610440.

The previous prime is 40633421533. The next prime is 40633421639. The reversal of 40633421534 is 43512433604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40633421494 and 40633421503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40633421533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274550072 + ... + 274550219.

It is an arithmetic number, because the mean of its divisors is an integer number (7824679161).

Almost surely, 2^40633421534 is an apocalyptic number.

40633421534 is a deficient number, since it is larger than the sum of its proper divisors (21964011754).

40633421534 is a wasteful number, since it uses less digits than its factorization.

40633421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549100330.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 40633421534 in words is "forty billion, six hundred thirty-three million, four hundred twenty-one thousand, five hundred thirty-four".