29428455040 has 48 divisors (see below), whose sum is σ = 70362776790. Its totient is φ = 11769646080.

The previous prime is 29428455011. The next prime is 29428455053. The reversal of 29428455040 is 4055482492.

It can be written as a sum of positive squares in 3 ways, for example, as 21920579136 + 7507875904 = 148056^2 + 86648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4336450 + ... + 4343230.

Almost surely, 2^29428455040 is an apocalyptic number.

29428455040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29428455040 is an abundant number, since it is smaller than the sum of its proper divisors (40934321750).

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

29428455040 is an frugal number, since it uses more digits than its factorization.

29428455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581 (or 6788 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 29428455040 in words is "twenty-nine billion, four hundred twenty-eight million, four hundred fifty-five thousand, forty".